Quiz: Electrical Engineering 25 May 2020

Quiz: Electrical Engineering

Exam: UPSSSC JE

Topic: Utilization of electrical energy

 

Each question carries 1 mark.

Negative marking: 1/4 mark

Time: 10 Minute

 

 

Q1. Air is dehumidified

(a) cooling

(b) chemical absorption

(c) heating

(d) both (a) and (b)

 

 

Q2. The conditions conductive to comfort depends upon

(a) humidity

(b) temperature

(c) air purity

(d) All of above

 

 

Q3. The speed of steam locomotive is controlled by

(a) applying breaks

(b) gear box

(c) regulating steam flow to engine

(d)  flywheel

 

 

Q4. The pulsating torque exerted by steam locomotive causes

(a) jolting and skidding

(b) hammer blow

(c) pitching

(d) all of the above

 

 

Q5. Steam engine drive

(a) has limited overload capacity

(b) is not clean drive

(c) is not suitable for urban or suburban service or for hauling heavy loads on steep gradients

(d) all of the above

 

 

Q6. Steam locomotive

(a) cannot be put into service at any moment

(b) cause considerable wear on the track

(c) need more repair and maintenance

(d) all of the above

 

 

Q7. Steam engine drive is not suitable for urban and suburban services as

(a) it is not clean drive

(b) coefficient of adhesion of steam locomotives is quite low

(c) steam locomotive cause considerable wear on the track

(d) steam locomotive has limited speed

 

 

Q8. Battery driven vehicles

(a) are easy to control and very convenient to use

(b) have low maintenance cost

(c) cause no pollution

(d) all of the above

 

 

Q9. Main traction systems used in India are those using

(a) steam engine locomotive

(b) diesel engine locomotive

(c) diesel electric locomotive

(d) All of the above

 

 

Q10. Battery operated trucks are used

(a) in power station

(b) for local delivery of goods in large town within maximum daily run up to 50-60 km

(c) in narrow gauge traction

(d) for main line service

 

 

Solutions

S1. Ans. (b)

Sol. Both cooling and chemical absorption are used to dehumidify.

S2. Ans. (d)

Sol. All factors are important.

S3. Ans. (c)

Sol. The speed of steam locomotive is controlled by regulating steam flow to engine.

S4. Ans. (a)

Sol. The pulsating torque exerted by steam locomotive causes jolting and skidding.

 

S5. Ans. (d)

Sol. All factors are true for steam engine

S6. Ans. (d)

Sol.  Feature of Steam locomotive

  • cannot be put into service at any moment
  • cause considerable wear on the track
  • need more repair and maintenance

 

S7. Ans. (b)

Sol. Steam engine drive is not suitable for urban and suburban services as coefficient of adhesion of steam locomotives is quite low .

 

S8. Ans. (d)

Sol. Benefits of Battery driven vehicles

  • are easy to control and very convenient to use
  • have low maintenance cost
  • cause no pollution

 

S9. Ans. (d)

Sol. All locomotives are used in main traction system.

S10. Ans. (b)

Sol. Battery operated trucks are suitable for local delivery of goods in large town within maximum daily run up to 50-60 km.

 

 

Leave a comment

Your email address will not be published. Required fields are marked *